Find the formula

Question

John is x years old. Ahmad is 3 years older than John. The total of their age is 63 years. Form an equation and work out the age of Ahmad.

Answer 1

x = john

x + 3 = ahmad

 

x + (x + 3) = 63

2x + 3 = 63

2x = 60

x = 30

 

john is 30 so ahmad is 33